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diff --git a/src/3rdparty/assimp/code/IFCMaterial.cpp b/src/3rdparty/assimp/code/IFCMaterial.cpp
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-/*
-Open Asset Import Library (assimp)
-----------------------------------------------------------------------
-
-Copyright (c) 2006-2017, assimp team
-
-All rights reserved.
-
-Redistribution and use of this software in source and binary forms,
-with or without modification, are permitted provided that the
-following conditions are met:
-
-* Redistributions of source code must retain the above
- copyright notice, this list of conditions and the
- following disclaimer.
-
-* Redistributions in binary form must reproduce the above
- copyright notice, this list of conditions and the
- following disclaimer in the documentation and/or other
- materials provided with the distribution.
-
-* Neither the name of the assimp team, nor the names of its
- contributors may be used to endorse or promote products
- derived from this software without specific prior
- written permission of the assimp team.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-----------------------------------------------------------------------
-*/
-
-/** @file IFCMaterial.cpp
- * @brief Implementation of conversion routines to convert IFC materials to aiMaterial
- */
-
-#ifndef ASSIMP_BUILD_NO_IFC_IMPORTER
-
-#include "IFCUtil.h"
-#include <limits>
-#include <assimp/material.h>
-
-namespace Assimp {
-namespace IFC {
-
-// ------------------------------------------------------------------------------------------------
-static int ConvertShadingMode(const std::string& name) {
- if (name == "BLINN") {
- return aiShadingMode_Blinn;
- }
- else if (name == "FLAT" || name == "NOTDEFINED") {
- return aiShadingMode_NoShading;
- }
- else if (name == "PHONG") {
- return aiShadingMode_Phong;
- }
- IFCImporter::LogWarn("shading mode "+name+" not recognized by Assimp, using Phong instead");
- return aiShadingMode_Phong;
-}
-
-// ------------------------------------------------------------------------------------------------
-static void FillMaterial(aiMaterial* mat,const IFC::IfcSurfaceStyle* surf,ConversionData& conv) {
- aiString name;
- name.Set((surf->Name? surf->Name.Get() : "IfcSurfaceStyle_Unnamed"));
- mat->AddProperty(&name,AI_MATKEY_NAME);
-
- // now see which kinds of surface information are present
- for(std::shared_ptr< const IFC::IfcSurfaceStyleElementSelect > sel2 : surf->Styles) {
- if (const IFC::IfcSurfaceStyleShading* shade = sel2->ResolveSelectPtr<IFC::IfcSurfaceStyleShading>(conv.db)) {
- aiColor4D col_base,col;
-
- ConvertColor(col_base, shade->SurfaceColour);
- mat->AddProperty(&col_base,1, AI_MATKEY_COLOR_DIFFUSE);
-
- if (const IFC::IfcSurfaceStyleRendering* ren = shade->ToPtr<IFC::IfcSurfaceStyleRendering>()) {
-
- if (ren->Transparency) {
- const float t = 1.f-static_cast<float>(ren->Transparency.Get());
- mat->AddProperty(&t,1, AI_MATKEY_OPACITY);
- }
-
- if (ren->DiffuseColour) {
- ConvertColor(col, *ren->DiffuseColour.Get(),conv,&col_base);
- mat->AddProperty(&col,1, AI_MATKEY_COLOR_DIFFUSE);
- }
-
- if (ren->SpecularColour) {
- ConvertColor(col, *ren->SpecularColour.Get(),conv,&col_base);
- mat->AddProperty(&col,1, AI_MATKEY_COLOR_SPECULAR);
- }
-
- if (ren->TransmissionColour) {
- ConvertColor(col, *ren->TransmissionColour.Get(),conv,&col_base);
- mat->AddProperty(&col,1, AI_MATKEY_COLOR_TRANSPARENT);
- }
-
- if (ren->ReflectionColour) {
- ConvertColor(col, *ren->ReflectionColour.Get(),conv,&col_base);
- mat->AddProperty(&col,1, AI_MATKEY_COLOR_REFLECTIVE);
- }
-
- const int shading = (ren->SpecularHighlight && ren->SpecularColour)?ConvertShadingMode(ren->ReflectanceMethod):static_cast<int>(aiShadingMode_Gouraud);
- mat->AddProperty(&shading,1, AI_MATKEY_SHADING_MODEL);
-
- if (ren->SpecularHighlight) {
- if(const EXPRESS::REAL* rt = ren->SpecularHighlight.Get()->ToPtr<EXPRESS::REAL>()) {
- // at this point we don't distinguish between the two distinct ways of
- // specifying highlight intensities. leave this to the user.
- const float e = static_cast<float>(*rt);
- mat->AddProperty(&e,1,AI_MATKEY_SHININESS);
- }
- else {
- IFCImporter::LogWarn("unexpected type error, SpecularHighlight should be a REAL");
- }
- }
- }
- } /*
- else if (const IFC::IfcSurfaceStyleWithTextures* tex = sel2->ResolveSelectPtr<IFC::IfcSurfaceStyleWithTextures>(conv.db)) {
- // XXX
- } */
- }
-
-}
-
-// ------------------------------------------------------------------------------------------------
-unsigned int ProcessMaterials(uint64_t id, unsigned int prevMatId, ConversionData& conv, bool forceDefaultMat) {
- STEP::DB::RefMapRange range = conv.db.GetRefs().equal_range(id);
- for(;range.first != range.second; ++range.first) {
- if(const IFC::IfcStyledItem* const styled = conv.db.GetObject((*range.first).second)->ToPtr<IFC::IfcStyledItem>()) {
- for(const IFC::IfcPresentationStyleAssignment& as : styled->Styles) {
- for(std::shared_ptr<const IFC::IfcPresentationStyleSelect> sel : as.Styles) {
-
- if( const IFC::IfcSurfaceStyle* const surf = sel->ResolveSelectPtr<IFC::IfcSurfaceStyle>(conv.db) ) {
- // try to satisfy from cache
- ConversionData::MaterialCache::iterator mit = conv.cached_materials.find(surf);
- if( mit != conv.cached_materials.end() )
- return mit->second;
-
- // not found, create new material
- const std::string side = static_cast<std::string>(surf->Side);
- if( side != "BOTH" ) {
- IFCImporter::LogWarn("ignoring surface side marker on IFC::IfcSurfaceStyle: " + side);
- }
-
- std::unique_ptr<aiMaterial> mat(new aiMaterial());
-
- FillMaterial(mat.get(), surf, conv);
-
- conv.materials.push_back(mat.release());
- unsigned int matindex = static_cast<unsigned int>(conv.materials.size() - 1);
- conv.cached_materials[surf] = matindex;
- return matindex;
- }
- }
- }
- }
- }
-
- // no local material defined. If there's global one, use that instead
- if ( prevMatId != std::numeric_limits<uint32_t>::max() ) {
- return prevMatId;
- }
-
- // we're still here - create an default material if required, or simply fail otherwise
- if ( !forceDefaultMat ) {
- return std::numeric_limits<uint32_t>::max();
- }
-
- aiString name;
- name.Set("<IFCDefault>");
- // ConvertColorToString( color, name);
-
- // look if there's already a default material with this base color
- for( size_t a = 0; a < conv.materials.size(); ++a ) {
- aiString mname;
- conv.materials[a]->Get(AI_MATKEY_NAME, mname);
- if ( name == mname ) {
- return ( unsigned int )a;
- }
- }
-
- // we're here, yet - no default material with suitable color available. Generate one
- std::unique_ptr<aiMaterial> mat(new aiMaterial());
- mat->AddProperty(&name,AI_MATKEY_NAME);
-
- const aiColor4D col = aiColor4D( 0.6f, 0.6f, 0.6f, 1.0f); // aiColor4D( color.r, color.g, color.b, 1.0f);
- mat->AddProperty(&col,1, AI_MATKEY_COLOR_DIFFUSE);
-
- conv.materials.push_back(mat.release());
- return (unsigned int) conv.materials.size() - 1;
-}
-
-} // ! IFC
-} // ! Assimp
-
-#endif // ASSIMP_BUILD_NO_IFC_IMPORTER
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